package week3;

/**
 * Created by dell on 2017/3/9.
 */
public class AutoBoxing {
        public static void main(String[] args){
            Integer data1 = 10;
            Integer data2 = 20;
            System.out.println(data1.doubleValue() /  3);
            System.out.println(data1.compareTo(data2));
        }
}

